* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --background-color: #c1c1c1;
  --primary-color: #e5f1ff;
  --secondary-color: #fdfefe;
  --dark-color: #333;
  --primary-text-color: #040d14;
  --secondary-text-color: #0c283d;
  --light-text: #f8fdfd;
  --todos-background: #d2e7ff5c;
  --checked-todo-color: #a0c4e9;
  --checked-todo-text-color: #2a3c48;
  --main-color: rgb(2, 124, 255);
  --main-color-hover: rgb(0, 76, 158);
  --main-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
  --hover-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
  --focus-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
  --main-transition: 0.3s;
  --main-border-radius: 12px;
}

[data-theme="dark"] {
  --background-color: #081a28;
  --primary-color: #103551;
  --secondary-color: #0c283d;
  --dark-color: #bedaef;
  --primary-text-color: #e9f2f9;
  --secondary-text-color: #d4e6f4;
  --light-text: #040d14;
  --todos-background: #bedcff5c;
  --checked-todo-color: #1f5b7b;
  --checked-todo-text-color: #e5e5e5;
  --main-color: rgb(2, 124, 255);
  --main-color-hover: rgb(0, 76, 158);
  --main-shadow: 0 0 10px rgba(0, 0, 0, 0.4);
  --hover-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
  --focus-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
  --main-transition: 0.3s;
  --main-border-radius: 12px;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  min-height: 100vh;
  background-color: var(--background-color);
  position: relative;
}

input,
select {
  border: none;
}

input:focus,
select:focus {
  outline: none;
}

/* == Global styles == */
.btn {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--main-border-radius);
  border: none;
  background-color: var(--main-color);
  color: white;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: var(--main-shadow);
  transition: var(--main-transition);
}

.btn[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  visibility: hidden;
  background-color: var(--dark-color);
  color: var(--light-text);
  font-size: 14px;
  text-align: center;
  padding: 5px 10px;
  border-radius: 4px;
  white-space: nowrap;
  transform: translate(-50%, 120%);
  left: 50%;
  bottom: 0;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.btn[data-tooltip]::after {
  content: "";
  position: absolute;
  visibility: hidden;
  border-width: 5px;
  border-style: solid;
  border-color: transparent transparent var(--dark-color) transparent;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.btn:hover[data-tooltip]::before,
.btn:hover[data-tooltip]::after {
  visibility: visible;
  opacity: 1;
}

.btn:hover {
  background-color: var(--main-color-hover);
  box-shadow: var(--hover-shadow);
}

.input {
  padding: 8px 12px;
  font-size: 18px;
  transition: var(--main-transition);
  box-shadow: var(--main-shadow);
  border-radius: var(--main-border-radius);
  background-color: var(--secondary-color);
  color: var(--primary-text-color);
}

.input::placeholder {
  color: var(--dark-text);
}

.input:focus {
  box-shadow: var(--focus-shadow);
}

.select-menu {
  padding: 6px 6px;
  cursor: pointer;
  width: 54px;
  background-color: var(--secondary-color);
  color: var(--light-text);
  border-radius: var(--main-border-radius);
  box-shadow: var(--main-shadow);
  transition: var(--main-transition);
  color: var(--primary-text);
}

.select-menu:focus {
  box-shadow: var(--focus-shadow);
}

.select-menu option {
  background-color: var(--dark-color);
  color: var(--secondary-color);
}

.check-box {
  --size: 18px;
  display: block;
  min-width: var(--size);
  min-height: var(--size);
  border: 1.5px solid var(--checked-todo-text-color);
  border-radius: 7px;
  cursor: pointer;
}
/* ==/ Global styles == */

/* == Main styles == */
main {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  padding: 0 50px;
  overflow-y: auto;
}

main #app {
  width: 1050px;
  max-width: 100%;
  max-height: 100%;
}

header {
  display: flex;
  gap: 10px;
}

@media (max-width: 920px) {
  header {
    flex-direction: column;
  }
}

header .todo-form,
header .search-form {
  display: flex;
  justify-content: space-between;
  background-color: var(--primary-color);
  padding: 12px;
  border-radius: var(--main-border-radius);
  box-shadow: var(--main-shadow);
  gap: 10px;
}

header .todo-form {
  flex-basis: 75%;
}

header .search-form {
  flex-basis: 25%;
}

@media (max-width: 580px) {
  header .todo-form {
    flex-direction: column;
    gap: 12px;
  }

  header .todo-form .options {
    justify-content: flex-end;
  }
}

header .todo-form #todo-input {
  flex-grow: 1;
  font-size: 22px;
}

header .todo-form .options {
  display: flex;
  align-content: center;
  justify-content: space-between;
  gap: 10px;
}

header .todo-form .options .select-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
}

header .todo-form .options label {
  align-self: center;
}

header .search-form #search-input {
  width: 100%;
  font-size: 22px;
}

#todos {
  position: relative;
  width: 100%;
  height: 500px;
  margin-top: 20px;
  background-color: var(--todos-background);
  padding: 20px;
  border-radius: var(--main-border-radius);
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--main-shadow);
}

#todos .todos-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 580px) {
  #todos .todos-header {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
  }
}

#todos h1 {
  color: var(--primary-text-color);
  background-color: var(--secondary-color);
  width: fit-content;
  padding: 8px 16px;
  box-shadow: var(--main-shadow);
  border-radius: var(--main-border-radius);
}

#todos .header-btns {
  display: flex;
  align-items: center;
  gap: 10px;
}

#todos .header-btns .theme-btn {
  width: 38px;
  height: 32px;
  background-color: var(--secondary-color);
  color: var(--primary-text-color);
  transition: var(--main-transition);
  font-size: 18px;
}

#todos .header-btns .theme-btn:hover {
  background-color: var(--dark-color);
  color: var(--light-text);
}

#todos .header-btns .theme-btn #dark-icon,
#todos .header-btns .theme-btn #light-icon {
  position: absolute;
  transition: transform var(--main-transition);
  top: 50%;
  transform: translateY(-50%);
}

#todos .header-btns .theme-btn.dark #dark-icon {
  opacity: 0;
}

#todos .header-btns .theme-btn.light #light-icon {
  opacity: 0;
}

.delete-all {
  background-color: var(--secondary-color);
  padding: 8px 12px;
  color: var(--primary-text-color);
  display: none;
  width: fit-content;
}

.delete-all:hover {
  background-color: rgb(222, 33, 33);
  color: var(--secondary-color);
}

.delete-all.show {
  display: flex;
}

#todos-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  padding-block: 8px;
  border-radius: var(--main-border-radius);
}

#todos-container::-webkit-scrollbar {
  display: none;
}

#overflow-indicator {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--dark-color);
  font-size: 20px;
  color: var(--light-text);
  background-color: var;
  opacity: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  transition: var(--main-transition);
}

#overflow-indicator.show {
  opacity: 1;
}

#todos .todo {
  --high-priority: #d72638;
  --medium-priority: #f6c667;
  --low-priority: #1b4965;
  --none-priority: #f5f5f5;
  position: relative;
  color: var(--primary-text-color);
  padding: 16px;
  border-radius: var(--main-border-radius);
  background-color: var(--secondary-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  position: relative;
  /* box-shadow: var(--main-shadow); */
  transition: var(--main-transition);
}

#todos .todo p {
  font-size: 20px;
  word-break: break-all; /* Allows breaking words at any point */
  overflow-wrap: break-word; /* Ensures long words wrap to the next line */
  white-space: normal; /* Allows text to wrap to the next line */
}

/* Priority label on the left of todo */
#todos .todo::before {
  content: "";
  height: 100%;
  width: 8px;
  left: 0;
  top: 0;
  border-radius: var(--main-border-radius) 0 0 var(--main-border-radius);
  position: absolute;
}

#todos .todo .select-menu {
  width: 80px;
  color: #1e1e1e;
}

#todos .todo.high .select-menu,
#todos .todo.high::before {
  background-color: var(--high-priority);
}

#todos .todo.medium .select-menu,
#todos .todo.medium::before {
  background-color: var(--medium-priority);
}

#todos .todo.low .select-menu,
#todos .todo.low::before {
  background-color: var(--low-priority);
}

#todos .todo.none .select-menu,
#todos .todo.none::before {
  background-color: var(--none-priority);
}

#todos .todo .todo-content {
  display: flex;
  align-items: center;
  gap: 10px;
}

#todos .todo .todo-options {
  display: flex;
  gap: 10px;
}

#todos .todo .sm-todo-options-btn {
  display: none;
  background-color: var(--dark-color);
  color: var(--light-text);
  pointer-events: all;
}

@media (max-width: 768px) {
  #todos .todo .sm-todo-options-btn {
    display: flex;
  }

  #todos .todo .todo-options {
    display: none;
    --options-color: var(--dark-color);
    position: absolute;
    top: 50%;
    right: 20%;
    transform: translateY(-50%);
    background-color: var(--options-color);
    padding: 10px;
    transition: var(--main-transition);
    z-index: 1000;
    border-radius: var(--main-border-radius);
  }

  #todos .todo .todo-options.show {
    display: flex;
    pointer-events: all;
  }

  #todos .todo .todo-options::before {
    content: "";
    position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 8px;
    border-color: transparent transparent transparent var(--options-color);
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
  }
}

#todos .todo .todo-options .delete-btn {
  background-color: rgb(203, 0, 0);
  pointer-events: all;
}

#todos .todo .todo-options .delete-btn,
#todos .todo.checked .todo-options .edit-btn {
  color: white;
}

/* == Checked todo styles == */
#todos .todo.checked {
  background-color: var(--checked-todo-color);
  color: var(--checked-todo-text-color);
  box-shadow: none;
  --check-opacity: 0.5;
}

#todos .todo.checked::before {
  display: none;
}

#todos .todo.checked .check-box {
  background-color: var(--checked-todo-text-color);
  opacity: var(--check-opacity);
}

#todos .todo.checked .todo-content p {
  text-decoration: line-through;
  opacity: var(--check-opacity);
}

#todos .todo.checked .todo-options select {
  background-color: transparent;
  pointer-events: none;
  box-shadow: none;
}

#todos .todo.checked .sm-todo-options-btn {
  background-color: transparent;
}

#todos .todo.checked .todo-options .delete-btn {
  background-color: transparent;
  color: var(--primary-text-color);
  box-shadow: none;
  opacity: var(--check-opacity);
}

@media (max-width: 580px) {
  #todos .todo.checked .todo-options .delete-btn {
    color: var(--light-text);
    opacity: 1;
  }
}

#todos .todo.checked .sm-todo-options-btn {
  opacity: var(--check-opacity);
}

#todo.checked .btn {
  pointer-events: none;
}

/* == No todos styles == */
#no-todos {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 16px;
}

#no-todos-header {
  color: var(--secondary-text-color);
  text-align: center;
  font-size: 30px;
  font-weight: normal;
}

#no-todos-illustration {
  max-width: 300px;
}
/* ==/ No todos styles /== */

/* Edit form and Delete confirmation styles */
.edit-form-overlay,
.delete-all-overlay {
  background-color: rgba(0, 0, 0, 0.578);
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
}

#edit-form,
#delete-all-confirmation {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 20px;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--primary-color);
  padding: 20px;
  box-shadow: var(--main-shadow);
  border-radius: var(--main-border-radius);
}

#edit-form label,
#delete-all-confirmation p {
  color: var(--primary-text-color);
  font-weight: bold;
  font-size: 20px;
}

#edit-form .options-btns,
#delete-all-confirmation .options-btns {
  display: flex;
  align-items: center;
  gap: 20px;
}

#edit-form .options-btns .edit-form-btn {
  border: 1px solid var(--main-color);
}

#delete-all-confirmation .options-btns .confirm-btn {
  background-color: rgb(209, 58, 58);
  border: 1px solid rgb(209, 58, 58);
}

#edit-form .options-btns .cancel-btn,
#delete-all-confirmation .options-btns .cancel-btn {
  background-color: var(--primary-color);
  color: var(--primary-text-color);
}

#edit-form .options-btns .cancel-btn:hover,
#delete-all-confirmation .options-btns .cancel-btn:hover {
  background-color: var(--main-color);
  color: var(--primary-color);
}
/*==/ Edit form and Delete confirmation styles /== */